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Finding the Fourth Proportional to 3,541.62, 5,303.16 and 2,615.88

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Solution

The fourth proportional to 3,541.62, 5,303.16 and 2,615.88 is: 3,916.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,541.62 : 5,303.16 = 2,615.88 : x
  2. Step 2: Convert to fraction form
    3,541.62/5,303.16 = 2,615.88/x
  3. Step 3: Cross multiply
    3,541.62x = 5,303.16 × 2,615.88
  4. Step 4: Simplify right side
    3,541.62x = 13,872,430.18
  5. Step 5: Solve for x
    x = 13,872,430.18/3,541.62
  6. Step 6: Final answer
    x = 3,916.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.